SKU: X7H6GQNFTG |  Mfg. Part: RA303  | UPC: 8051566304097  | 
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RA303 - Glomex Marine Antennas Glomex 4' Extension Mast for Enhanced Antenna Reach

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Expected availability: 1-2 weeks
Condition: New

$60.87  $82.17
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Product Overview

4' Extension Mast for Enhanced Antenna Reach

Designed for boat owners, the Glomex 4' Extension Mast enhances the performance of Glomeasy antennas by providing greater vertical elevation. This ensures a clear reception and transmission field, optimizing the functionality of your VHF antenna.

Crafted from rugged fiberglass, this 1.2m (4') extension is built with the same high-quality materials as the Glomex RA300 universal VHF antenna to maintain aesthetic appeal and durability. The extension easily mounts at the base of the antenna and features an integrated 1”x14 ferrule for convenient installation on any Glomex mounts.

Installation:

  • Compatible with Power Boats

WARNING: This product can expose you to chemicals including LEAD which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

Technical Specifications

  • Increases antenna height for better signal reception
  • Rugged fiberglass construction for durability
  • Integrated 1”x14 ferrule for easy installation
  • Compatible with various Glomex mounts

Product Details

  • Manufacturer:
  • Model Number:
  • UPC:
  • Condition:
  • Weight:
  • Dimensions:
  • Updated:
  • Added:
  • Glomex Marine Antennas
  • RA303
  • 8051566304097
  • New
  • 1 lbs
  • 48 X 3 X 3
  • Jun 13, 2026
  • May 16, 2026
Product Identifiers: Brand: Glomex Marine Antennas • Part #: RA303 • UPC: 8051566304097 • Category: Marine/Air Band Radio Antennas

RA303 - Glomex Marine Antennas Glomex 4' Extension Mast for Enhanced Antenna Reach

Reviews for Glomex Marine Antennas RA303

$60.87